Brightness
This is a ROS message definition.
Source
# SPDX-License-Identifier: BSD-3-Clause
# SPDX-FileCopyrightText: Czech Technical University in Prague
# Brightness of e.g. a dimmable light (LED, OLED, ...).
float64 brightness # Ratio of the brightness to the maximum brightness (0.0 - 1.0).